†[Eusauropoda] Upchurch 1995
Status: fossil
   †Neosauropoda Bonaparte 1986 [Wilson & Sereno 1998]
  Status: fossil
     †Macronaria Wilson & Sereno 1998
    Status: fossil
       Genus †Malarguesaurus González-Riga, Previtera & Pirrone, 2008, incertae sedis [monotypic]
      Status: fossil
         †Malarguesaurus florenciae B.J. González Riga et al., 2009[2008]
        Distribution: Neotropic/South America; Period: Late Cretaceous (100.5 - 66 Ma); Status: fossil